[Other] hacking help

[TheMangekyoKing]

I am working on a firered hack and I've been looking for help for quite some time now and haven't found anything so i decided to make a new thread. I was wondering how i could make an event that happens at the pokemon league that makes them walk up and then makes the sprite leave after it is done. Its like really necessary for my story so the help is greatly appreciated.

 

[Renegade]

I'm going to assume you're talking about flags.
I'm also going to assume you don't really know too much about scripting, so take a look at this thread. The section on 'flags' is what you're looking for:
https://www.pokecommunity.com/threads/164276